• One-dimensional structures such as nanotubes, nanowires, and quantum wires are promising structures in the fields of nanospintronics, nanophotonics, nanoelectronics, etc. The reason for this attention is their large aspect ratio and... more
The miniaturization trend leads to the development of a graphene based nanoelectromechanical (NEM) switch to fulfill the high demand in low power device applications. In this article, we highlight the finite element (FEM) simulation of... more
Graphene nano-electro-mechanical switches are promising components due to their excellent switching performance such as low pull-in voltage and low contact resistance. Mass fabrication with an appropriate counter electrode remains... more
Nanoscale quantum computers (nQCs) represent a revolutionary research frontier aiming to transcend current macroscopic quantum computing approaches by integrating the fundamental principles of quantum mechanics at the most elemental level... more
Semiconductor thin films are more than just materials-they are catalysts driving MEMS sensor technology toward enhanced performance, miniaturization, and cost-effectiveness. Recent innovations have highlighted their use, such as flexible... more
This paper presents the integration of a piezoelectric micro-transformer in a silicon substrate. The selected topology of the transformer takes advantage of the active materials like PZT. These structure is constituted by a unimorph... more
In this paper, a distributed parameter model is used to study the pull-in instability of cantilever type nanomechanical switches subjected to intermolecular and electrostatic forces. In modeling of the electrostatic force, the fringing... more
This theoretical work corresponds to the hope of extracting, without contradicting EMMY NOETHER's theorem, an energy present throughout the universe: that of the spatial quantum vacuum. This article shows that it should be theoretically... more
This theoretical work corresponds to the hope of extracting, without contradicting EMMY NOETHER's theorem, an energy present throughout the universe: that of the spatial quantum vacuum. This article shows that it should be theoretically... more
bioNEMS/MEMS has emerged as an innovative technology for the miniaturisation of biomedical devices with high precision and rapid processing since its first R&D breakthrough in the 1980s. To date, several organic including food waste... more
bioNEMS/MEMS has emerged as an innovative technology for the miniaturisation of biomedical devices with high precision and rapid processing since its first R&D breakthrough in the 1980s. To date, several organic including food waste... more
Tuning the band structure and, in particular, gap opening in 1D and 2D materials through their deformation is a promising approach for their application in modern semiconductor devices. However, there is an essential breach between... more
The microassembly of pressure sensor chip with the modernized basic structure for the increase of stability and mechanical strength is presented in this patent. The classical structure of the piezoresistive pressure sensor chip uses the... more
Microassembly of pressure sensor chip with upgraded base structure for increased long-term stability
The microassembly of pressure sensor chip with an upgraded basic structure for improved long-term stability is presented in this patent. The classic structure of a piezoresistive pressure sensor chip uses a full Wheatstone bridge circuit... more
The adjoint of the linearized compressible flow equations is formulated in such a way that it can be used to optimize local control actuation to reduce the noise radiated by a free shear flow. Both the flow and the adjoint are solved... more
Infectious diseases remain the world's top contributors to death and disability, and, with recent outbreaks of Zika virus infections there has been an urgency for simple, sensitive and easily translatable point-of-care tests. Here we... more
The initial transmission effect on the activity of Cr +4 : YAG saturable absorber with Er +3 doped fiber laser was investigated. Software computer program was built in this study for solving the rate equations model by Rung-Kutta-Fehlberg... more
This paper presents a method for modelling the permeability of fluid at the interface formed between flat parallel plates and the sharp-edged ridges of a metal gasket. This work was divided into three stages. In the first stage, numerical... more
Gecko foots have inspired researchers to develop designs that can help robots to tread vertically oriented surface. These nanobots find many applications as they can perform a lot of operations more efficiently and also lower the cost of... more
The initial transmission effect on the activity of Cr +4 : YAG saturable absorber with Er +3 doped fiber laser was investigated. Software computer program was built in this study for solving the rate equations model by Rung -Kutta... more
Technical paper by A. Carlos Fernandez-Pello, Sang-Won Park, Albert P. Pisano, S. Bennett Sprague, + David C. Walther UoC Berkeley, 2007, 19 pages > Content > Abstract + keywords 1 > Reference + biographical notes 1 > 1... more
Gesture Controlled Car is a robot which can be controlled by simple human gestures. The user just needs to wear a gesture device in which a sensor is included. The sensor will record the movement of hand in a specific direction which will... more
bioNEMS/MEMS has emerged as an innovative technology for the miniaturisation of biomedical devices with high precision and rapid processing since its first R&D breakthrough in the 1980s. To date, several organic including food waste... more
This study examined the variations of the surface roughness and adhesion forces of microelectromechanical systems (MEMS) caused by altering the thickness of the coating. For this purpose, gold and silver coatings were employed in order to... more
bioNEMS/MEMS has emerged as an innovative technology for the miniaturisation of biomedical devices with high precision and rapid processing since its first R&D breakthrough in the 1980s. To date, several organic including food waste... more
This paper represents hardware implementation of controlling a robotic vehicle wirelessly with the help of hand gestures. Accelerometer based hand gesture control system depends on the hand movement of the user. For different types of... more
BioNEMS/MEMS has emerged as an innovative technology for the miniaturisation of biomedical devices with high precision and rapid processing since its first R&D breakthrough in the 1980s. To date, several organic including food waste... more
In this paper metal-assisted chemical etching has been applied to pattern porous silicon regions and silicon nanohole arrays in submicron period simply by using positive photoresist as a mask layer. In order to define silicon... more
Piezoelectric materials used in the development of nanoscale mechanical sensors, actuators and energy harvesters have received much attention. More recently, devices made of graphene are of particular interest because of graphene's... more
The ability of mesh design in arbitrary Lagrangian-Eulerian finite element method (ALE-FEM) makes it a generally efficient device for simulating engineering problems. In this paper, ALE-FEM is used to model the static deflection and... more
This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of... more
A simple and direct method has been developed to grow zinc oxide (ZnO) nanorods (NRs) on a fluorine-doped tin oxide-coated glass (FTO) substrate. Firstly, spray pyrolysis deposition method is applied followed by dipping the substrate in a... more
We have developed a flexible-logic-gate singleelectron device (SED) with an array of nanodots. Although the small size of SEDs is highly advantageous, the size of the nanodots inevitably fluctuates, which causes variations in device... more
In this paper, we report the finite element method (FEM) simulation of double-clamped graphene nanoelectromechanical (NEM) switches. Pull-in and pull-out characteristics are analyzed for graphene NEM switches with different dimensions and... more
The graphene nano-electro-mechanical switches are promising components due to their outstanding switching performance. However, most of the reported devices suffered from a large actuation voltages, hindering them from the integration in... more
In this dissertation, I present techniques for improving the power, performance, and area of integrated circuits (ICs) through 3-D integration of two emerging nanotechnologies: (1) resistive random-access memory (RRAM), a non-volatile... more
A search of the recent literature reveals that there is a continuous growth of scientific publications on the development of chemical vapor deposition (CVD) processes for silicon carbide (SiC) films and their promising applications in... more
Silicon carbide is a well-known wide-band gap semiconductor traditionally used in power electronics and solid-state lighting due to its extremely low intrinsic carrier concentration and high thermal conductivity. What is only recently... more
Agglomeration strongly influences the stability or shelf life of nanofluid. The present computational and experimental study investigates the rate of agglomeration quantitatively. Agglomeration in nanofluids is attributed to the net... more
In this paper we present the development of electromagnetic (EM) microfluidic pumps incorporating the magnetic polymer composite for the transport of microfluidic bio-sample. The pump system includes the electromagnetic field generator, a... more
In this work MEMS Switches have been developed using an standard CMOS Technology (AMS 0.35um Technology). With this purpose the back-end metallization layers (based on Aluminum) have been used in two different configurations: Stack of... more
Although an agile approach is standard for software design, how to properly adapt this method to hardware is still an open question. This work addresses this question while building a system on chip (SoC) with specialized accelerators.... more
This study presents the fabrication of a 3D micro-transformer using MEMS technology in 10-600 kHz frequency range. The fabrication processes is developed for high-performance and low-cost realization with respect to planner design. The... more
Isotropic etching of bulk silicon (100) using Xenon Difluoride (XeF2) gas presents a unique opportunity to undercut and release ultra-thin flexible silicon layers with pre-fabricated state-of-the-art Complementary Metal Oxide... more
The world is innovating rapidly, and there is a need for continuous interaction with technology. Sadly, there do not exist promising options for paralyzed people to interact with the machines, i.e., laptops, smartphones, and tabs. A few... more
The initial transmission effect on the activity of Cr +4 : YAG saturable absorber with Er +3 doped fiber laser was investigated. Software computer program was built in this study for solving the rate equations model by Rung-Kutta-Fehlberg... more
This paper represents hardware implementation of controlling a robotic vehicle wirelessly with the help of hand gestures. Accelerometer based hand gesture control system depends on the hand movement of the user. For different types of... more